
Taiwan is bolstering its military ties with the United States and will cooperate even more closely with it and other friendly nations to deal with "authoritarian expansionism", President Tsai Ing-wen told visiting U.S. lawmakers on Tuesday.
The United States, like most countries, has no formal diplomatic ties with Chinese-claimed Taiwan but is the island's most important international backer and arms supplier, a consistent source of friction in Sino-U.S. relations.